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######################################################################
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#### ####
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#### Common makefile for inclusion by others ####
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#### ####
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######################################################################
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#### ####
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#### Copyright (C) 2010 Authors and OPENCORES.ORG ####
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#### ####
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#### This source file may be used and distributed without ####
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#### restriction provided that this copyright statement is not ####
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#### removed from the file and that any derivative work contains ####
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#### the original copyright notice and the associated disclaimer. ####
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#### ####
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#### This source file is free software; you can redistribute it ####
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#### and/or modify it under the terms of the GNU Lesser General ####
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#### Public License as published by the Free Software Foundation; ####
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#### either version 2.1 of the License, or (at your option) any ####
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#### later version. ####
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#### ####
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#### This source is distributed in the hope that it will be ####
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#### useful, but WITHOUT ANY WARRANTY; without even the implied ####
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#### warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ####
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#### PURPOSE. See the GNU Lesser General Public License for more ####
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#### details. ####
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#### ####
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#### You should have received a copy of the GNU Lesser General ####
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#### Public License along with this source; if not, download it ####
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#### from http://www.opencores.org/lgpl.shtml ####
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#### ####
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######################################################################
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DESIGN_NAME=design
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OR32_TOOL_PREFIX=or32-elf-
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OR32_LD=$(OR32_TOOL_PREFIX)ld
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OR32_AS=$(OR32_TOOL_PREFIX)as
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OR32_CC=$(OR32_TOOL_PREFIX)gcc
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OR32_AR=$(OR32_TOOL_PREFIX)ar
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OR32_RANLIB=$(OR32_TOOL_PREFIX)ranlib
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OR32_OBJDUMP=$(OR32_TOOL_PREFIX)objdump
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OR32_OBJCOPY=$(OR32_TOOL_PREFIX)objcopy
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VECTORS_OBJ ?=../support/crt0.o
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SUPPORT_LIB ?=../support/$(DESIGN_NAME)_support.a
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DESIGN_DEFINES_HEADER=../include/design-defines.h
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SUPPORT_FILES ?=$(SUPPORT_LIB)
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# Machine flags - uncomment one or create custom combination of flags
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# All software div, mul and FPU
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#MACH_FLAGS ?=-msoft-mul -msoft-div -msoft-float
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# FPGA default - only hardware multiply
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#MACH_FLAGS ?=-mhard-mul -msoft-div -msoft-float
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# All hardware flags
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#MARCH_FLAGS ?=-mhard-mul -mhard-div -mhard-float
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# Hardware integer arith, soft float
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MARCH_FLAGS ?=-mhard-mul -mhard-div -msoft-float
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OR32_CFLAGS ?=-g -nostdlib -O2 -I../include $(MARCH_FLAGS)
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OR32_LDFLAGS ?=-lgcc -T../support/or32.ld -e 256
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# This path must be correct!
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# Currently no overall design defines file - to come!
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#DESIGN_VERILOG_DEFINES=../../rtl/verilog/include/$(DESIGN_NAME)-defines.v
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#DESIGN_PROCESSED_VERILOG_DEFINES=../include/$(DESIGN_NAME)-defines.h
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OR1200_VERILOG_DEFINES=../../rtl/verilog/or1200_defines.v
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OR1200_PROCESSED_VERILOG_DEFINES=../include/or1200-defines.h
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#PROCESSED_DEFINES=$(DESIGN_PROCESSED_VERILOG_DEFINES) $(OR1200_PROCESSED_VERILOG_DEFINES)
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PROCESSED_DEFINES= $(OR1200_PROCESSED_VERILOG_DEFINES)
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ELF_DEPENDS+=$(VECTORS_OBJ) $(PROCESSED_DEFINES) $(SUPPORT_FILES)
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# Set V=1 when calling make to enable verbose output
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# mainly for debugging purposes.
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ifeq ($(V), 1)
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Q=
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else
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Q ?=@
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endif
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# Our local utilities
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UTILS_BIN2HEX=../utils/bin2hex
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$(UTILS_BIN2HEX):
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$(Q)$(MAKE) -C ../utils bin2hex
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UTILS_BIN2VMEM=../utils/bin2vmem
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$(UTILS_BIN2VMEM):
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$(Q)$(MAKE) -C ../utils bin2vmem
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# Rule to generate C header file from Verilog file with `defines in it
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$(DESIGN_PROCESSED_VERILOG_DEFINES): $(DESIGN_VERILOG_DEFINES)
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$(Q)echo; echo "\t### Creating software defines header from verilog defines ###";
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$(Q)echo "//This file is autogenerated from "$<" do not change!" > ../include/$@
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$(Q)echo "#ifndef _"$(DESIGN_NAME)"_DEFINES_H_" >> ../include/$@
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$(Q)echo "#define _"$(DESIGN_NAME)"_DEFINES_H_" >> ../include/$@
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$(Q)cat $< | sed s://.*::g | sed 's/'\`'/'#'/g' >> ../include/$@
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$(Q)echo "#endif" >> ../include/$@
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$(Q)echo; echo >> ../include/$@
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# This works (doesn't error), but for now we have to remove all of the numbers
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# in verilog format, eg. 8'b0010_0000 or 32'h0000_0f00, or 32'd256 etc. as it's
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# not so straight forward to convert these
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$(OR1200_PROCESSED_VERILOG_DEFINES): $(OR1200_VERILOG_DEFINES)
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$(Q)echo; echo "\t### Creating OR1200 software defines header from verilog defines ###";
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$(Q)echo "//This file is autogenerated from "$<" do not change!" > ../include/$@
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$(Q)echo "#ifndef _OR1200_DEFINES_H_" >> ../include/$@
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$(Q)echo "#define _OR1200_DEFINES_H_" >> ../include/$@
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$(Q)cat $< | sed s://.*::g | grep -v \'[dhb] | sed 's/'\`'/'#'/g' >> ../include/$@
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$(Q)echo "#endif" >> ../include/$@
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$(Q)echo; echo >> ../include/$@
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# Default make
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%.flashin: %.bin $(UTILS_BIN2HEX)
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$(Q)$(UTILS_BIN2HEX) $< 1 -size_word > $@
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%.vmem: %.bin $(UTILS_BIN2VMEM)
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$(Q)$(UTILS_BIN2VMEM) $< > $@
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%.elf: %.c $(ELF_DEPENDS)
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$(Q)$(OR32_CC) $^ $(OR32_CFLAGS) $(OR32_LDFLAGS) -o $@
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%.elf: %.S $(ELF_DEPENDS)
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$(Q)$(OR32_CC) $^ $(OR32_CFLAGS) $(OR32_LDFLAGS) -o $@
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%.o: %.S
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$(Q)$(OR32_CC) $(OR32_CFLAGS) -c $< -o $@
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%.o: %.c
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$(Q)$(OR32_CC) $(OR32_CFLAGS) -c $< -o $@
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# Recompile the support lib if we detect any of the drivers having changed
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SUPPORT_LIB_SRCS=$(shell ls ../support/*.[cS])
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SUPPORT_LIB_SRCS +=$(shell ls ../include/*.h)
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$(SUPPORT_LIB): $(SUPPORT_LIB_SRCS)
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$(Q)echo; echo "\t### Building software support library ###"; echo
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$(Q)$(MAKE) -C ../support $(DESIGN_NAME)_support.a
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$(VECTORS_OBJ):
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$(Q)$(MAKE) -C ../support crt0.o
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# This relies on the local clean rule of each makefile
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clean-all: distclean
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clean-support:
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$(Q)$(MAKE) -C ../support clean
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# List of software directories, exclude include/
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SWDIRS=$(shell ls ../ | grep -v include)
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distclean:
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$(Q)for dir in $(SWDIRS); do if [ -d ../$$dir ]; then $(MAKE) -C ../$$dir clean; fi; done
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$(Q)rm -f $(PROCESSED_DEFINES)
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